The IP address 129.245.253 is provided by Institute for Defense Analyses, it's belong to the CDIR (Classless Inter-Domain Routing) 129.246.0.0/16 (range 129.246.0.0 to 129.246.255.255). The autonomous system number (ASN) is 166.
| ASN | 166 |
| IP starting by | 129.246.0.0 |
| IP ending by | 129.246.255.255 |
| ASN Name | Institute for Defense Analyses |
| CDIR | 129.246.0.0/16 |
| Numerical IP | |
| Registry | |
| Last update | 27/11/2019 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Alexandria | 38.8363 | -77.128 | 2019-11-26 |
| MaxMind | US | United States | - | Alexandria | 38.8337 | -77.1204 | 2019-11-26 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |